YOU SAID:

The observation they've made is that objects with a lot of "mass" as they call it, will attract all other objects towards them.

INTO JAPANESE

彼らが行った観察は、彼らがそれを呼ぶように多くの「質量」を持つオブジェクトが他のすべてのオブジェクトをそれらに引き付けるということです。

BACK INTO ENGLISH

The observation they made is that objects with as much "mass" as they call it attract all other objects to them.

INTO JAPANESE

彼らが行った観察は、彼らがそれを呼ぶのと同じくらい多くの「質量」を持つ物体が他のすべての物体をそれらに引き付けるということです。

BACK INTO ENGLISH

The observation they made is that objects with as much "mass" as they call it attract all other objects to them.